5 sentences for 改进 (gǎi​jìn — improvement)

1. 这个方案还有很大的改进空间。

   zhè gè fāng'àn hái yǒu hěn dà de gǎi​jìn kōng​jiān.

   There is still plenty of room for improvement in this plan.

   Source: Dong Chinese Dictionary

2. 我们在原有的基础上进行了改进。

   wǒ​men zài yuán​yǒu de jī​chǔ shàng jìn​xíng le gǎi​jìn.

   We made improvements on the existing basis.

   Source: Dong Chinese Dictionary

3. 愚见以为这个方案还有改进的空间。

   yú​jiàn yǐ​wéi zhè gè fāng'àn hái yǒu gǎi​jìn de kōng​jiān.

   In my humble opinion, there is still room for improvement in this plan.

   Source: Dong Chinese Dictionary

4. 这个新系统在很多方面都有明显的改进。

   zhè gè xīn xì​tǒng zài hěn​duō fāng​miàn dōu yǒu míng​xiǎn de gǎi​jìn.

   There are significant improvements in many aspects of the new system.

   Source: Dong Chinese Dictionary

5. 他在会议上极力向大家推销他的改进方案。

   tā zài huì​yì shàng jí​lì xiàng dà​jiā tuī​xiāo tā de gǎi​jìn fāng'àn.

   At the meeting, he tried hard to pitch his improvement plan to everyone.

   Source: Dong Chinese Dictionary